| { | |
| "original_study": { | |
| "claim": { | |
| "hypothesis": "Providing ACT at a subsidized price increases the likelihood of taking ACT.", | |
| "hypothesis_location": "The expectation is developed in the discussion of the price-intervention design and the motivation for assessing whether lowering the ACT price increases medication uptake in Section II: Theoretical Framework.", | |
| "statement": "The regression results indicate that the presence of an ACT subsidy has a positive and statistically significant effect on obtaining ACTs; the estimated coefficient is 0.187.", | |
| "statement_location": "Regression results table 2: coefficient on the indicator for any ACT subsidy reported as 0.187 with a standard error of 0.038, significant at the one-percent level.", | |
| "study_type": "Experimental (Randomized Controlled Trial)." | |
| }, | |
| "data": { | |
| "source": "Data collected by the research team during the ACT price-subsidy randomized controlled trial implemented in Western Kenya.", | |
| "wave_or_subset": "May - December 2009.", | |
| "sample_size": "2789.", | |
| "unit_of_analysis": "Individual household illness episode or voucher recipient.", | |
| "access_details": "not stated", | |
| "notes": "The subsidy level was randomized, creating exogenous variation in the cost of ACT to households. Standard errors are clustered at the household level." | |
| }, | |
| "method": { | |
| "description": "The study estimates the causal influence of subsidizing ACTs on household take-up by randomly varying ACT prices and regressing ACT acquisition on the subsidy indicator.", | |
| "steps": [ | |
| "Randomly assign different ACT price levels to households through voucher offers.", | |
| "Observe whether each household obtained ACT following an illness episode.", | |
| "Construct an indicator variable for whether the ACT was subsidized in that household’s voucher assignment.", | |
| "Estimate a linear probability model of ACT take-up on the subsidy indicator.", | |
| "Cluster standard errors at the household level to account for repeated observations within households." | |
| ], | |
| "models": "Linear probability regression of ACT acquisition on the indicator for receiving an ACT subsidy.", | |
| "outcome_variable": "Indicator equal to 1 if the household acquired ACT for an illness episode.", | |
| "independent_variables": "Indicator for assignment to any ACT subsidy.", | |
| "control_variables": "not stated", | |
| "tools_software": "not stated" | |
| }, | |
| "results": { | |
| "summary": "Assignment to an ACT subsidy significantly increases the probability that households obtain ACTs. The estimated effect size is positive and statistically significant at the one-percent level.", | |
| "numerical_results": [ | |
| { | |
| "outcome_name": "ACT take-up", | |
| "value": 0.187, | |
| "unit": "change in probability of obtaining ACT associated with subsidy assignment", | |
| "effect_size": "linear probability coefficient = 0.187", | |
| "confidence_interval": { | |
| "lower": "not stated", | |
| "upper": "not stated", | |
| "level": "not stated" | |
| }, | |
| "p_value": "< 0.01", | |
| "statistical_significance": 1, | |
| "direction": "positive" | |
| } | |
| ] | |
| }, | |
| "metadata": { | |
| "original_paper_id": "10.1257/aer.20130267", | |
| "original_paper_title": "Price Subsidies, Diagnostic Tests, and Targeting of Malaria Treatment: Evidence from a Randomized Controlled Trial", | |
| "original_paper_code": "not stated", | |
| "original_paper_data": "not stated" | |
| } | |
| } | |
| } |